updatepetservlet.java

宠物医院 JSP项目 我是一个初学者 请大家多多指教

package servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import da0.Ownersdao;
import dto.Ownersdto;
import da0.Typedao;

public class UpdatePetServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();

        if (request.getParameter("action").equals("view")) {
            String oname = request.getParameter("oname");
            String ocity = request.getParameter("ocity");
            String oaddress = request.getParameter("oaddress");
            String otelephone = request.getParameter("otelephone");
            int oid = Integer.parseInt(request.getParameter("oid"));
            Ownersdao own = new Ownersdao();
            if (own.UpdateOwners(oid, oname, oaddress, ocity, otelephone)) {
                request.setAttribute("message", "修改所有人信息成功!");
                request.getRequestDispatcher("view/petsearch.jsp").forward(
                        request, response);
            }
        } else if (request.getParameter("action").equals("update")) {
            int pid = Integer.parseInt(request.getParameter("pid"));
            Ownersdto ownersdto = new Ownersdto();
            ownersdto.setPid(pid);
            ownersdto.setBirth_date(request.getParameter("birth"));
            ownersdto.setPname(request.getParameter("pname"));
            ownersdto.setTname(request.getParameter("tname"));
            ownersdto.setOname(request.getParameter("oname"));
            request.setAttribute("ownersdto", ownersdto);
            Typedao type = new Typedao();
            ArrayList arr1 = type.search();
            request.setAttribute("typelist", arr1);
            Ownersdao owner = new Ownersdao();
            ArrayList arr = owner.search();
            request.setAttribute("list", arr);

            request.getRequestDispatcher("view/updatepet.jsp").forward(request,
                    response);
        }

        out.close();
    }

    //Clean up resources
    public void destroy() {
    }
}